US Patent: 1,048,380


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Wrench

Patentees:

Carl G. Youngquist (exact or similar names) - San Francisco, CA

Carl F. Youngquist (exact or similar names) - San Francisco, CA

USPTO Classifications:

81/179

Tool Categories:

wrenches : pipe wrenches

Assignees:

None

Manufacturer:

Universal Wrench Co. - Portland, OR

Witnesses:

Patent Dates:
Applied:	Feb. 10, 1911
Granted:	Dec. 24, 1912

Patent Pictures:

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Description:

Munn & Co.- patent attorneys

Our invention relates to wrenches and it has for its object to provide one with jaw members which are movable relatively to their supporting heads to assist in obtaining a firm hold on a pipe, resilient means being provided for holding the jaw members yieldingly in position relatively to the supporting heads.